@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #1e40af;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1e3a8a;
  --color-secondary: #0ea5e9;
  --color-accent: #f59e0b;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-light: #f9fafb;
  --color-bg-gray: #f3f4f6;
  --color-border: #e5e7eb;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav {
  display: none;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
  }
}

.nav-link {
  position: relative;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
  background-color: var(--color-bg-gray);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
  color: var(--color-text);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: white;
  z-index: 999;
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 1rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  margin-top: 70px;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(245, 158, 11, 0.2) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease-out;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  opacity: 0.9;
  line-height: 1.7;
  margin-bottom: 2rem;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background-color: white;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* Section Styles */
.section {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 6rem 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Product Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background-color: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(14, 165, 233, 0.1));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.product-card-icon svg {
  width: 28px;
  height: 28px;
}

.product-card-category {
  font-size: 0.8125rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.product-card-name {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.product-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.product-feature-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-bg-gray);
  color: var(--color-text-light);
  border-radius: 50px;
  font-weight: 500;
}

/* Certificate Section */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.certificate-card {
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  cursor: pointer;
}

.certificate-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.certificate-image-wrapper {
  aspect-ratio: 4/3;
  background-color: var(--color-bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.certificate-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.certificate-info {
  padding: 1rem;
}

.certificate-year {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background-color: rgba(59, 130, 246, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.certificate-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* News Section */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-item {
  display: flex;
  gap: 1.5rem;
  background-color: white;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.news-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.news-date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding-top: 0.25rem;
}

.news-date-day {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.news-date-month {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.news-content {
  flex: 1;
}

.news-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  background-color: var(--color-primary-light);
  padding: 0.1875rem 0.625rem;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 0.625rem;
}

.news-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.news-summary {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #fff, rgba(255, 255, 255, 0.85));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9375rem;
  opacity: 0.9;
}

/* Case Cards */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.case-card {
  background-color: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.case-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
}

.case-industry {
  font-size: 0.8125rem;
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: 0.375rem;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}

.case-body {
  padding: 1.5rem;
}

.case-client {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
}

.case-description {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.case-results {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-result-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-success);
  font-weight: 500;
}

.case-result-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Page Banner */
.page-banner {
  margin-top: 70px;
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  text-align: center;
}

.page-banner-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.page-banner-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.9375rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb-separator {
  opacity: 0.6;
}

.breadcrumb-current {
  color: white;
  font-weight: 500;
}

/* About Section */
.about-intro {
  display: grid;
  gap: 3rem;
}

@media (min-width: 992px) {
  .about-intro {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  font-weight: 700;
}

.about-text h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.about-text p {
  font-size: 1.0625rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.highlight-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(14, 165, 233, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.highlight-icon svg {
  width: 24px;
  height: 24px;
}

.highlight-text h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.highlight-text p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  border: 3px solid white;
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: var(--shadow-sm);
}

.timeline-date {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 0.375rem;
}

.timeline-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.timeline-content p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Contact Form */
.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form {
  background-color: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-label {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.contact-info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 1rem;
}

.footer-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 38px;
  height: 38px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  background-color: var(--color-primary-light);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-column h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ICP 备案号 */
.footer-icp a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-icp a:hover {
  color: white;
  text-decoration: underline;
}

.footer-icp .icp-sep {
  margin: 0 0.5rem;
  color: rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-tab {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background-color: white;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Lightbox Overlay */
.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-overlay.show {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 32px;
  height: 32px;
  background-color: transparent;
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close svg {
  width: 24px;
  height: 24px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-light { background-color: var(--color-bg-light); }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Responsive adjustments */
@media (max-width: 767px) {
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .news-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: auto;
  }
  
  .news-date-day {
    font-size: 1.5rem;
  }
}